Forced Ventilation Unit; Options; Thermal Protection - Nidec Leroy-Somer FFB Guia De Instalacion

3.4 - Forced ventilation
LS 71 (F)LS(ES) 80 to 132
(single phase) (single phase)
230 or 400 V SINGLE-PHASE FORCED VENTILATION
1-ph 230 V
for frame size 71
L N
Blue
U1 U2
U
Black
W
C
U1 = blue
U2 = brown
(F)LS(ES) 160, 180
THREE-PHASE FORCED VENTILATION
for frame size 160
1 SPEED - 2 VOLTAGES
W2 U2
U1 V1
L1 L2

3.5 - Options

- Removable connector
Wiring diagram for Reduced response time option - Built-in
power supply mandatory
W2 U2
U1 V1
2 noir/rouge
2 black/red
Alim. / P. supply
400V AC
230V AC
8
for frame size 80 --> 132
Brown
Capacitors
Motor type CP1
Z
LS 80 2 mf
LS 90 to 132 3 mf
V
U = 230V Power supply on U and W
U = 400V Power supply on V and W
CP2
L1 - L2 - L3
V2 W2 U2 V2
W1
U1 V1 W1
L3 L1 L2 L3
634128/b
V2 W2 U2 V2
W1 U1 V1 W1
Frein
brake
2 blanc
+ -
2 white
Bobine / Coil
180V DC
100V DC
WIRING DIAGRAMS

- Thermal protection

Standard thermal protection Class F, 150°C
Breaking current 1.6 A - cos φ 0.6
rms voltage
CP2
2 mf
Mounting
2 mf
Heat sensors
Measuring
current
rms voltage
Mounting
Indicators
Current
Voltage
Mounting
NO: normally opened; NC: normally closed
- VARMECA 31/32 with ESFR
(Also see VMA manual ref. 3776)
Full wave
(208-240 VAC supply)
- VARMECA 33/34 with ESFR
(Also see VMA manual ref. 3776)
Opto Triac
Fu:
L1
1.25 A
600 V
L3
Double PTO
250 V
on clamp terminal + flag
(purple/white)
PT100
10 mA max
-
on clamp terminal
(3 wires - black/red/black)
Release indicator
(Open/Close)
6 A
250 V
on clamp terminal
(3 wires - blue/black/gray)
Black/Blue = NO Black/Gray = NC
ESFR VMA 31/32
L1 L2 L3
L1
To brake coil
ESFR
- +
F1 F2 W V U
Ribbon cable to options connector
L3
Half wave
(380-480 VAC supply)
Power supply to 2nd motor
(variable voltage and frequency output)
Power supply to 2nd brake
(AC voltage output)
: 400/480 V supply
1
: 230 V supply
2
ESFR VMA 33/34
Dedicated logic output
F1
F2
Installation guide FFB brake motors
Triple PTC
-
2.5 V max
on terminal block
(except
frame size 71: on clamp terminal)
+ flag (black/black)
KTY
10 mA max
-
on clamp terminal
(brown/white)
Wear indicator
6 A
250 V
on clamp terminal
(3 wires - blue/black/gray)
Black/Blue = NO Black/Gray = NC
AC supply*
230/400 V
PE
*NOTE: For single-phase
PE
versions, the power supply
is connected to terminals L and N.
U
V
W
S08
+ ++
Brake
1 2
180 VDC
VMA 33/34T
180 VDC
VMA 33/34TL
100 VDC
AC power supply for a 2nd brake
5286 en - 2017.09 / c